System error
error:  	Undefined subroutine &RTx::Calendar::FirstMonday called at /usr/share/request-tracker3.6/html/Search/Calendar.html line 137.
context:  	
...  	
133:  	
134:  	my $rtdate = RT::Date->new($session{'CurrentUser'});
135:  	
136:  	my $today = DateTime->today;
137:  	my $date = RTx::Calendar::FirstMonday($Year, $Month + 1);
138:  	my $end = RTx::Calendar::LastSunday($Year, $Month + 1);
139:  	
140:  	# use this to loop over days until $end
141:  	my $set = DateTime::Set->from_recurrence(
...  	
code stack:  	/usr/share/request-tracker3.6/html/Search/Calendar.html:137
/usr/share/request-tracker3.6/html/autohandler:279


The raw error is:

ndefined subroutine &RTx::Calendar::FirstMonday called at /usr/share/request-tracker3.6/html/Search/Calendar.html line 137.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Undefined subroutine &RTx::Calendar::FirstMonday called at /usr/share/request-tracker3.6/html/Search/Calendar.html line 137.^J') called at /usr/share/request-tracker3.6/html/Search/Calendar.html line 137
HTML::Mason::Commands::__ANON__('Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'Rows', 50, 'OrderBy', 'id', 'Format', '', 'Page', 1, 'Rows', 50, 'Format', '', 'Page', 1, 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'OrderBy', 'id') called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xa2efaa4)', 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'Rows', 50, 'OrderBy', 'id', 'Format', '', 'Page', 1, 'Rows', 50, 'Format', '', 'Page', 1, 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'OrderBy', 'id') called at /usr/share/perl5/HTML/Mason/Request.pm line 1256
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef, 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'Rows', 50, 'OrderBy', 'id', 'Format', '', 'Page', 1, 'Rows', 50, 'Format', '', 'Page', 1, 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'OrderBy', 'id') called at /usr/share/perl5/HTML/Mason/Request.pm line 915
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x9fb3be4)', 'Rows', 50, 'Format', '', 'Page', 1, 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'OrderBy', 'id') called at /usr/share/request-tracker3.6/html/autohandler line 279
HTML::Mason::Commands::__ANON__('Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'Rows', 50, 'OrderBy', 'id', 'Format', '', 'Page', 1) called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x9d71bf4)', 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'Rows', 50, 'OrderBy', 'id', 'Format', '', 'Page', 1) called at /usr/share/perl5/HTML/Mason/Request.pm line 1251
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef, 'Order', 'ASC', 'Query', 'Queue = \'IT Support\' AND (Status = \'open\' OR Status = \'new\' OR Status = \'stalled\')', 'Rows', 50, 'OrderBy', 'id', 'Format', '', 'Page', 1) called at /usr/share/perl5/HTML/Mason/Request.pm line 460
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 460
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 412
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x9fb3be4)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x9fb3be4)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 832
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x93207b4)', 'Apache=SCALAR(0x91481a8)') called at /usr/share/request-tracker3.6/libexec/webmux.pl line 123
eval {...} at /usr/share/request-tracker3.6/libexec/webmux.pl line 123
RT::Mason::handler('Apache=SCALAR(0x91481a8)') called at /dev/null line 0
eval {...} at /dev/null line 0